diff options
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/gcc/ira.c b/gcc/ira.c index f8a59e3cd64..62612521edb 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -2253,10 +2253,9 @@ compute_regs_asm_clobbered (void) void ira_setup_eliminable_regset (void) { -#ifdef ELIMINABLE_REGS int i; static const struct {const int from, to; } eliminables[] = ELIMINABLE_REGS; -#endif + /* FIXME: If EXIT_IGNORE_STACK is set, we will not save and restore sp for alloca. So we can't eliminate the frame pointer in that case. At some point, we should improve this by emitting the @@ -2292,7 +2291,6 @@ ira_setup_eliminable_regset (void) /* Build the regset of all eliminable registers and show we can't use those that we already know won't be eliminated. */ -#ifdef ELIMINABLE_REGS for (i = 0; i < (int) ARRAY_SIZE (eliminables); i++) { bool cannot_elim @@ -2326,19 +2324,6 @@ ira_setup_eliminable_regset (void) else df_set_regs_ever_live (HARD_FRAME_POINTER_REGNUM, true); } - -#else - if (!TEST_HARD_REG_BIT (crtl->asm_clobbers, HARD_FRAME_POINTER_REGNUM)) - { - SET_HARD_REG_BIT (eliminable_regset, FRAME_POINTER_REGNUM); - if (frame_pointer_needed) - SET_HARD_REG_BIT (ira_no_alloc_regs, FRAME_POINTER_REGNUM); - } - else if (frame_pointer_needed) - error ("%s cannot be used in asm here", reg_names[FRAME_POINTER_REGNUM]); - else - df_set_regs_ever_live (FRAME_POINTER_REGNUM, true); -#endif } |